I was taking a shot at the FizzBuzz problem and decided to use an array to store the first 15 results in array and then iterate through it. But the variable stored in array is not updating its value if updated later in the loop The variable I does not change its value in the for-loop. It just prints empty
Tag: string
Representation of an array as a polynomial
What this method should do is take an array of doubles and convert them into a polynomial, for example, if the array is given was [2.0, 3.0, -2.0] the method’s output would be 2.0x^2 + 3.0x^1 – 2.0. …
Problem resolving an android.content.res.Resources error
I understand that this error has been addressed severally and I’ve checked most of them like Android: android.content.res.Resources$NotFoundException: String resource ID #0x5, android.content.res.Resources$NotFoundException: String resource ID to see if I could find a solution to my problem but I couldn…
I want to remove space happend after removing substring [closed]
public class RemoveString { public String removingOccurences(String input1, String input2) { String newString = input1.replaceAll(input2, ” “); return newString; } …
Recursively getting string user input with Scanner class in java
So, I want to receive input from the user, check if they used alphabetical values and then check if it is too long. If too long, I want to start again from the top (checking if alphabetical) by calling the method I am in. However, when I start over and I type, say “Danny”, this will show: Output: …
How to replace text symbol in Java or Text Editor
I want to replace the symbol after the second comma. I know how to group until the second comma. I tried below. But I don’t know how to replace from “/” to “?” after the second comma I expected below. GROUP/COMPANY,USER/PASSWORD,BIRTHDAY:”2010/01/01″,ADDRESS:”US…
Checking null for multiple strings in Java
How can one check for whether one of the strings is not null, only if the rest contain something? Here is an example of how it works, but I feel like there should be a better way to do it. Is there a way to condense this logic into a better approach? EDIT If all strings are null, that’s fine.
Why is String.valueOf faster than String Concatenation for converting an Integer to a String?
This is the converse of the problem “Why is String concatenation faster than String.valueOf for converting an Integer to a String?”. It is not a duplicate. Rather, it stems from this answer with benchmarks asserting that t.setText(String.valueOf(number)) is faster than t.setText(“”+num…
Why is it giving me an error when i’m calling it from inside the ‘student class?
*I have to Create a class called student but I’m getting an error and I didn’t know how to complete the code, but what I did is: Please help. Answer In order to successfully compile your program you need to create first a new object of the class Student or make the stunInfo() method static. Also t…
How would I get only the end result printed while also fixing the runtime error
I’m pretty new when it comes to coding in java (or coding in general), and I want the code below to print out only the end result (3), but it prints everything beforehand too, then once it reaches the end it gives me a runtime error Answer To get the final output, you need to move the print statement ou…